開關(guān)電源的建模與仿真研究.pdf

1、西北工業(yè)大學(xué)碩士學(xué)位論文開關(guān)電源的建模與仿真研究姓名：王傳芳申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電力電子與電力傳動(dòng)指導(dǎo)教師：齊蓉20070301AbstractAbstractUnderthesoRwaresettings，themodelingandsimulationofthepowersupplyhaveassistanteffectsonthepowersupplydesigningItcannotonlyshortentheresearc

2、hinganddevelopingperiodbutalsoreducethedesigncostThemodelingandsimulationofthepowersupplyhavebecometheessentialpartforswitchpowersupplyresearchinganddevelopingThispaperhasfoundthefullscaleACDCswitchpowersupplymodelingand

3、simulationandanalyzedtheparameters’affecttomodel’SperformancesThepaperfirstlyanalyzedthecommonDCDCconverter’Stopologi髓’structuresandelements’characteristics，andfoundsimplymodelforeachconvertorAccordingtothosemodels，thean

4、alysisoftheconverterscharacteristicisgivenlistedeachconverter’sadvantagesanddisadvantages，andtheprinciplesofchoosingtherighttopologyforthedifferentswitchpowersupplyBasedonthefamiliarconverters’topologies，thepaperfocusedo

5、ntheactualdesigningprocessesoftheACDCswitchpowersupplyandanalyzedthefullbridgeconvertersworkelementsthePulseWidmModulationCMoScircuitSG3525sstructure，workingprinciples，drivingcircuits，highfrequencytransformer’sdesignandc

6、alculatedtheparametersinthecircuitFurthermorethanthetheorydesignthePaperhasfoundthemaincircuits’andcontrolcircuits’modelsbyusingtheORCADPSPICEsimulationsoftwaresimulatedandinvestigatedthesemodels’performancesunderthecase

7、ofdifferentparameters’changing，thenpickouttherightparametersaccordingtothepracticalperformancesTheoverallmodelhasbeenformedbytheassistantmodelsmentionedaboveThefeasibilityofthecircuitsisdemonstratedDuetotheACDCswitchpowe